Gas rc boat hull plans: 25cc rc boat project – part 2 – building the hull.the second video in my rc boat series, it ising together nicely and it should be. A scratch built rc boat hull easy and inexpensive. learn to scratch build with this simple project. plans are available for download.. Build a rc air boat plans from radio controlled parts. these are plans for a radio controlled rc boat hydroplane. from prop to servos, all the.